Home / 568,922,823.20-853,384,234.80-385,256,813.60

Finding the Fourth Proportional to 568,922,823.20, 853,384,234.80 and 385,256,813.60

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Solution

The fourth proportional to 568,922,823.20, 853,384,234.80 and 385,256,813.60 is: 577,885,220.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,922,823.20 : 853,384,234.80 = 385,256,813.60 : x
  2. Step 2: Convert to fraction form
    568,922,823.20/853,384,234.80 = 385,256,813.60/x
  3. Step 3: Cross multiply
    568,922,823.20x = 853,384,234.80 × 385,256,813.60
  4. Step 4: Simplify right side
    568,922,823.20x = 328,772,091,075,522,240
  5. Step 5: Solve for x
    x = 328,772,091,075,522,240/568,922,823.20
  6. Step 6: Final answer
    x = 577,885,220.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.